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A116070 The digits of pi(n)=A000720(n) are obtained by adding pairs of adjacent digits of n. 2
15, 27, 226, 227, 334, 441, 2107, 3132, 5172, 10231, 40203, 50136 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

50136 belongs, since pi(50136)=5149 and (5+0)=5, (0+1)=1, (1+3)=4 and

(3+6)=9.

CROSSREFS

Cf. A000720, A115999.

Sequence in context: A087719 A174216 A249874 * A186074 A230649 A229195

Adjacent sequences:  A116067 A116068 A116069 * A116071 A116072 A116073

KEYWORD

nonn,base,fini,more

AUTHOR

Giovanni Resta, Feb 13 2006

STATUS

approved

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Last modified April 14 00:42 EDT 2021. Contains 342941 sequences. (Running on oeis4.)